334002220421 has 2 divisors, whose sum is σ = 334002220422. Its totient is φ = 334002220420.

The previous prime is 334002220417. The next prime is 334002220423. The reversal of 334002220421 is 124022200433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168321472900 + 165680747521 = 410270^2 + 407039^2 .

It is a cyclic number.

It is not a de Polignac number, because 334002220421 - 2² = 334002220417 is a prime.

It is a super-2 number, since 2×334002220421² (a number of 24 digits) contains 22 as substring.

Together with 334002220423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334002220423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167001110210 + 167001110211.

It is an arithmetic number, because the mean of its divisors is an integer number (167001110211).

Almost surely, 2^334002220421 is an apocalyptic number.

It is an amenable number.

334002220421 is a deficient number, since it is larger than the sum of its proper divisors (1).

334002220421 is an equidigital number, since it uses as much as digits as its factorization.

334002220421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 334002220421 its reverse (124022200433), we get a palindrome (458024420854).

The spelling of 334002220421 in words is "three hundred thirty-four billion, two million, two hundred twenty thousand, four hundred twenty-one".